EP3891021A1 - Procédé de fabrication pour un réseau de bord d'un véhicule ainsi que réseau de bord de véhicule - Google Patents

Procédé de fabrication pour un réseau de bord d'un véhicule ainsi que réseau de bord de véhicule

Info

Publication number
EP3891021A1
EP3891021A1 EP19805174.0A EP19805174A EP3891021A1 EP 3891021 A1 EP3891021 A1 EP 3891021A1 EP 19805174 A EP19805174 A EP 19805174A EP 3891021 A1 EP3891021 A1 EP 3891021A1
Authority
EP
European Patent Office
Prior art keywords
interface
load
electrical system
vehicle
segment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19805174.0A
Other languages
German (de)
English (en)
Other versions
EP3891021B1 (fr
Inventor
Michael Wortberg
Dominik Eberl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lisa Draexlmaier GmbH
Original Assignee
Lisa Draexlmaier GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lisa Draexlmaier GmbH filed Critical Lisa Draexlmaier GmbH
Publication of EP3891021A1 publication Critical patent/EP3891021A1/fr
Application granted granted Critical
Publication of EP3891021B1 publication Critical patent/EP3891021B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/0315—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using multiplexing techniques
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/0207—Wire harnesses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for

Definitions

  • the present invention relates to a vehicle electrical system for vehicles on the one hand and the automated manufacturing method for manufacturing the physical wiring harness on the other hand. Against the background of increasing complexity of the
  • Switching elements for vehicle electrical systems described.
  • the invention can be used in any application in which electrical loads are switched.
  • the vehicle electrical system on the one hand connects an energy source via distributors and sub-distributors to the various loads or consumers in the motor vehicle.
  • the components of the on-board electrical system include power distributors such as distributors and sub-distributors as well as loads, but also cables connecting them.
  • Cables must be connected to the interfaces of the distributors, sub-distributors or loads via plug connections.
  • More and more electronic circuits are used in the vehicle electrical system in motor vehicles.
  • more and more (networked) control devices using electronic circuits are installed in a motor vehicle, the switching information or switching commands among one another
  • the cable set has three tasks to perform: 1. Provide electrical connections for the energy supply from the battery and / or generator. 2. Electrical connection for the
  • a central control unit has a large connector with> 50 contacts.
  • the lines that start from this connector end at 20 different connectors from others
  • Modules are selected on the basis of their membership in functions. Often, topological membership is also attempted based on a new approach to zonality
  • the wiring harness production is very time consuming and requires a lot of space.
  • the different modules are manufactured on different building boards. Then they have to be removed from them and stored. From the warehouse, they are made according to the Pearl chain of the production of customer-specific cable sets is called up and put together on a build-in board to form a complete cable set. The modules must be connected manually. To
  • Graph theory deals with the modeling of interconnections in networks and is particularly suitable for this.
  • the plugs, or contact elements or interfaces, in a line set are the nodes of a graph.
  • the line connections with at least one line from one connector to another connector are the edges of the graph.
  • the eigenvector can be determined which describes the connection relationships between the nodes. This is for the conventional cable set
  • Topology levels can be functional aspects (e.g. belonging to customer-selectable equipment) as well as spatial / topological aspects. Another important aspect for the delimitation of topology levels is functional safety. Connections with the requirements of functional safety can be summarized and encapsulated in their own topology levels.
  • An on-board network subscriber can generally be understood to mean loads, sensors and / or actuators.
  • an on-board electrical system can be divided into at least two topology levels
  • the complexity of the previously unrelated, non-flat, non-regular graph of the conventional on-board electrical system is divided into at least two partial networks (partitions) according to the graph theory.
  • a matrix coupler is preferably added to the power distributor or to another on-board electrical system subscriber, which takes over the unbundling task.
  • a k partition of a graph is a decomposition of the set of nodes into k disjoint subsets, so that there are no adjacent nodes in the same set. Such a k partition is not unique. It is quite possible that there are several k partitions that fulfill this property.
  • a graph is now called k-partit if it has a k-partition.
  • a bipartite graph also called a pair graph, is a mathematical model for relationships between the elements of two sets.
  • a simple graph is called bipartite or a couple if its nodes can be divided into two disjoint subsets, so that there are no edges between the nodes within both subsets.
  • a bipartite graph is a graph in which two groups of nodes exist, within which no nodes are connected. The graph is called completely bipartite if a bipartition exists so that each node disjuncts from the first
  • Subset is connected to each node from the second disjoint subset.
  • a fully bipartite graph in which the number of nodes in one of the two disjoint subsets is one is called a star graph.
  • the bipartite graph is suitable for
  • An adjacency matrix of a graph is a matrix that stores which nodes of the graph are connected by an edge. It has a row and a column for each node, which results in an h c h matrix for n nodes.
  • An entry in the i-th row and j-th column indicates whether an edge leads from the i-th to the j-th node. If there is a 0 at this point, there is no edge - a 1 indicates that an edge exists.
  • the representation of a graph as a matrix allows the use of linear algebra methods. The application and investigation of such methods forms a central theme in the spectral
  • the matrix coupler takes on the unbundling task and the inventive design of the vehicle electrical system thus has the following when a bipartite graph is implemented
  • Vehicle electrical system participants can be assigned, so the following applies: There are no edges between the nodes of the electrical system power supply units p, - p j . Instead, each of the nodes p1, p2 ... pn can be assigned a corresponding node q on the matrix coupler. Can the matrix coupler serve as an interface node q are viewed according to the graph theory, the bipartite graph of a bipartition is further simplified to a star graph.
  • connections of a star graph can be represented as point-to-point connections in the physical cable set.
  • the cable set is therefore from the
  • the matrix coupler can be designed according to a multi-part graph, i.e. k-Partite graphs, physically implement.
  • the complexity reduction of the physical cable set, or a large subset of the same, enables their automated production.
  • the star graph shape frees a manufacturing device from the following challenges:
  • the bipartitions can due to their simple structure without a building board
  • a test for correct connection can be carried out at the level of
  • a manufacturing method for a vehicle electrical system of a vehicle has the steps of providing, feeding and coupling. The steps of feeding and coupling are repeated according to the number of loads.
  • a first step of providing a plurality of on-board electrical system participants are spatially or in at least two
  • an energy supply device and at least one control unit are provided.
  • a second step of providing an interface module for the vehicle electrical system is provided.
  • a first line set segment is then fed.
  • the first line set segment comprises at least a first communication line segment and a first one
  • a first end of the first communication line segment and of the first energy supply line segment are in each case a first end of the at least one line set segment bundled in a first interface.
  • An interface can also be understood as a contact part, a plug or a socket.
  • a communication line segment can be understood to mean a data line.
  • the data line that is to say the communication line segment, can be designed, for example, as a twisted pair line, coax line, film conductor or the like.
  • a second end of the first line set segment opposite the first end is coupled to a first load interface of the number of load interfaces of the interface module.
  • the interface module for the vehicle electrical system comprises a supply interface for coupling with a positive pole of the energy supply device of the vehicle, a communication interface for receiving and / or sending information from a coupled or connectable control device of the vehicle, a number of load interfaces and at least one matrix coupler.
  • a load interface can be understood to mean a physical plug interface, an on-board electrical system subscriber interface or more generally an interface of the interface module to the on-board electrical system subscribers connected to it. In this way, individual load interfaces can ultimately also be understood as actuator interfaces. At least one load interface of the number of load interfaces is assigned to one on-board network subscriber of the plurality of on-board network subscribers.
  • the matrix coupler is designed, the supply interface and the
  • the matrix coupler is also designed to represent a de-unbundling task for linking the electrical system participants to one another.
  • Nodes of a graph which represents the line-connector relationships of the matrix coupler, each denote a load interface of the number of load interfaces at the end of a line.
  • a first edge of the graph denotes a connection relationship of at least one first line between a first load interface and a second load interface.
  • a second edge of the graph denotes a connection relationship of at least one second line between a third load interface and a fourth load interface, etc.
  • the matrix coupler is set up, the unbundling task of this complex interaction of the vehicle electrical system participants
  • the graph comprises at least two partial graphs with at least two
  • the graph can, for example, comprise two bipartite graphs with two bipartitions, the eigenvector of a respective adjacency matrix of the two bipartitions being symmetrically zero, in the form [k, 0..0, -k] or [k, -k, 0. .0j.
  • the matrix coupler is suitable to represent the unbundling task for the connection of the electrical system participants. If the edge of a graph is defined as the connection relationship of at least one line (line set segment) from one interface, for example connector to another interface, for example connector, and the nodes of the graph are defined as the interface at the end of a line in the form of a connector or a transfer base or splice, the following applies:
  • the irregular graph representing the line-connector relationships is replaced, for example, by two bipartite graphs with the bipartitions TE1 -MK and TE2-MK.
  • the graphs of the two bipartitions are characterized by the eigenvectors of their
  • Adjacency matrices (connection matrices) symmetrical to zero are in the form [k, 0..0, -k] or [k, -k, 0..0j.
  • connection matrices connection matrices symmetrical to zero are in the form [k, 0..0, -k] or [k, -k, 0..0j.
  • the irregular graph is converted into a multipartite graph with a corresponding number of partitions.
  • a node of each graph lies on the matrix coupler.
  • the graph of the bipartition is a star graph.
  • the edge length of a path can be greater than one. 4.
  • the interface module is designed to provide electrical protection for the number of load interfaces to the electrical system participants. Under an electrical
  • Fuse protection can be understood to protect a line, an electrical system subscriber or other equipment from damage caused by excessive heating, which would result from the overcurrent flowing over a longer period of time.
  • An overcurrent can be caused by an overload or a short circuit.
  • Electrical protection can be electrical
  • the electrical fuse can be designed, for example, as a fuse, a circuit breaker or an electronic fuse.
  • vehicle electrical system can be produced sequentially, one-dimensionally, by solving the unbundling task within the interface module. This enables a high degree of automation to be achieved.
  • the usual building boards can be dispensed with, at least for module production. Thanks to the high degree of automation, the quality can be increased during the manufacturing process and / or reproducible results can be achieved. This makes it easier to meet the requirements for highly automated driving.
  • the electrical protection of the load interfaces and thus the wiring harness segments to the on-board network participants can be electronically switched with Mosfet switches and intelligent
  • the interface module can be electronic
  • a Mosfet switch can be understood to mean a metal-oxide-semiconductor field-effect transistor (English metal-oxide-semiconductor field-effect transistor, MOSFET also MOS-FET or MOST).
  • the Mosfet switch is one of the field effect transistors with an insulated gate, also known as IGFET. Although doped polysilicon is the predominant gate material today, the designation MOSFET has been retained.
  • the interface module can be designed as a control function and / or
  • the number of load interfaces can each be a plug or socket or
  • Transfer base or splice should be formed.
  • a load interface provides one
  • the wiring harness segment to be fed can be assembled before the step of feeding the wiring harness segment.
  • a line set segment can be assembled for each load of the plurality of loads, each segment segment comprising at least one communication line segment and at least one energy supply line segment of the same length.
  • Power supply line segments are bundled at a first end of the line set segment in an interface, such as a contact part or plug, in order to be mechanically and electrically coupled via the interface to the associated electrical system subscriber, such as a load, an actuator or a sensor.
  • the communication line segment can be formed as a foil conductor. Under a foil conductor, a conductor arrangement for the transmission of differentials
  • a foil conductor can have a
  • Conductor carriers a number of pairs of first conductors, also called forward conductors, two of the first conductors being electrically coupled at their ends, and a number of pairs of second conductors, also called return conductors, with two of the second conductors being connected their ends are electrically coupled together. So as
  • Conductor bundles of one of the first conductors of a pair and one of the second conductors of a pair can be arranged together on a first side of the conductor carrier and the further first conductor of the respective pair and the further second conductor of the respective pair on a second side of the conductor carrier.
  • conductors can therefore be arranged in pairs on different sides of the conductor carrier.
  • the conductor arrangement as a foil conductor has no twisted conductors, there is no lay length of the individual turns. As a result, the length of the lay cannot vary and therefore cannot have a negative effect on the data transmission. At the same time, the mechanical stability of the conductor arrangement is ensured by the conductor carrier.
  • the conductor arrangement e.g. can be designed as a so-called film conductor, in which the conductor carrier has a flexible, electrically insulating material on which the conductors can be arranged.
  • Flat conductors are usually produced from such a flexible, electrically insulating material, which usually do not allow for any expansion (either in length or in width). However, such conductors can be bent, twisted or bent without damaging the cables. As a result, such conductors can be used as flexibly as cables.
  • the interface module can have a ground interface for coupling to a negative pole of the energy supply device.
  • a ground line can then be supplied in the supply step.
  • the matrix coupler can be designed to couple the ground interface to at least one load interface, to couple with a part of the load interface or to couple each of the number of load interfaces. This can also be done by connecting to a ground connection of the vehicle, which then indirectly connects to the negative pole of the energy supply device.
  • the interface module can have a DC voltage converter.
  • the DC voltage converter can be connected on the input side to the supply interface be.
  • the DC-DC converter can be set up on the
  • the matrix coupler can be set up to provide the first voltage level and, at the same time or alternatively, the second voltage level of cut parts individually to the number of load interfaces.
  • a first load interface can be the first
  • Voltage level, a second load interface the second voltage level and a third load interface both the first voltage level and the second
  • the first voltage level can be higher than the second voltage level.
  • the first voltage level can be 48 V and the second voltage level can be 12 V. This is a nominal range that depends on
  • the first voltage level of 48 V can refer to a working range between 36 V and 54 V.
  • the actual voltage at the second voltage level of 12 V can be up to 14.4 V.
  • a vehicle electrical system for a vehicle has a plurality of loads, one
  • Power supply device at least one control device, at least one
  • Each wiring harness segment has at least a first one
  • the interface module comprises a supply interface for coupling to a positive pole
  • Power supply device of the vehicle a communication interface for receiving and / or sending information from a coupled or connectable control device of the vehicle, a number of load interfaces, and at least one matrix coupler, which is designed, the supply interface and the
  • Figure 1 Exemplary subset of an electrical system according to the prior art
  • Figure 2 graph for the subset of an electrical system according to the prior art
  • FIG. 6 graph of a complete interior line set with four matrix couplers according to the present invention.
  • Figure 7 adjacency matrix for graphing the subset of an electrical system according to
  • FIG. 8 adjacency matrix for graphing the subset of an on-board network with matrix coupler according to the present invention
  • FIG. 9 representation of the wiring harness elements according to the present invention
  • Figure 1 1 matrix coupler with integrated 48V / 12V converter
  • FIG. 14 shows a flow chart of a manufacturing method according to a
  • Figure 15 shows a vehicle with a vehicle electrical system according to a
  • Figure 1 shows an exemplary subset of a vehicle electrical system BN according to the prior art.
  • the electrical system participants (control units, actuators, sensors) 3, 4, 5, 6, 7, 8, 9 obtain their 12 V supply from a power distributor 2 which is fed by the battery 1.
  • the wiring harness 10 has splices 11 in order to represent star point connections in the conventional wiring harness. There are two topology levels TE_1 and TE_2.
  • FIG. 2 shows the graph which shows the connection relationships of the on-board network participants 3, 4, 5, 6, 7, 8, 9 for the subset of an on-board network according to the prior art.
  • 12 is the link to other topology levels.
  • the graph is not flat, not bipartite and it is not possible to subdivide into subgraphs according to TE_1 and TE_2.
  • Figure 3 shows the graph of a real indoor cable set, i.e. one
  • Vehicle electrical system BN according to the state of the art. The complexity can be seen here and the graph shows several levels of deep connection.
  • Figure 4 shows the inventive solution with the introduction of an interface module 22 which includes a matrix coupler 24. Furthermore, the interface module 22 contains the distributor structure 23 for the secure supply of the on-board electrical system participants 3, 4, 5, 6, 7, 8, 9 with battery voltage. The electrical system participants 3, 4, 5, 6, 7, 8, 9 are connected to the interface module 22 via load interfaces 25. The Energy supply device 1 is via a supply interface 20 of the
  • Interface module 22 electrically coupled to the distributor structure 23.
  • FIG. 5 shows the star graph of the new vehicle electrical system structure with matrix coupler 24 for two topology levels TE_1, TE_2.
  • Figure 6 shows the graph of a complete indoor cable set, i.e. one
  • FIG. 7 shows the adjacency matrix for graphing the conventional electrical system according to FIG. 2.
  • FIG. 8 shows the adjacency matrix for graphing with a matrix coupler according to FIG. 4.
  • the connection relationships framed in FIG. 7 make the difference between the two adjacency matrices. Exactly these connections are provided by the matrix coupler 24 according to this example and need not be more than complex
  • Figure 9 shows the simplified structure of the physical electrical system, i.e. one
  • the matrix coupler 80 also distributes the ground potential. This is particularly advantageous in the case of non-conductive or poorly conductive vehicle bodies.
  • FIG. 10 shows a device for manufacturing the simplified physical wiring harness, ie an exemplary vehicle electrical system BN, according to the electrical system structure presented here with matrix coupler 80.
  • the device has a rail or receptacle 201 in which the plugs of the electrical system participants 3, 4 , 5, 6, 7, 8, 9 can be used by a placement machine.
  • the connector elements of the matrix coupler are fitted into the opposite receptacle 202.
  • a pinning automat with the placement arms 203 now leads each line with its contact on the left and right into the connector chambers on the left and right. He proceeds sequentially line by line and can use all lines in succession from top to bottom (or bottom to top).
  • the different cable lengths for each connector fall into a shaft between the receptacles 201 and 202.
  • the plugs After the plugs are completely equipped with cables, they can be removed from a holder, for example 202, and stretched out for winding. In this way, complete wiring harness modules that do not require re-spinning, i.e. wiring harness bipartitions, are manufactured without a building board.
  • Figure 11 shows a sub-electrical system for an engine function (vehicle electrical system subscriber) 5 with the sensors (vehicle electrical system subscriber) 3, 4 and the control unit 15.
  • the matrix coupler 80 contains a DC / DC converter, i.e. DC converter 16, from 48 V to 12 V. In this version there is no central 48V / 12V converter and the
  • Main supply takes place via a 48 V backbone 17.
  • the current on the 48 V supply backbone is thus reduced by a factor of 4 compared to a 12 V supply backbone.
  • FIG. 11 shows a vehicle electrical system BN for a vehicle (500).
  • a plurality of electrical system participants 3, 4, 5 is spatially or in at least two
  • Energy supply device 1 is represented by a 48 V backbone 17. Furthermore, the vehicle electrical system BN has a control unit 15. The interface module 22 for the vehicle electrical system BN has a supply interface 20, which is coupled to a positive pole of the energy supply device 1 via the 48 V backbone 17.
  • the interface module 22 has a communication interface 1 13 for receiving and / or sending information from the control device 15 coupled to it. Furthermore, a number of load interfaces 25 are provided, with at least one load interface 25 of the number of load interfaces 25 being assigned to each vehicle electrical system subscriber 3, 4, 5.
  • the matrix coupler 80 in the interface module 22 is designed to couple the supply interface 20 and the communication interface 1 13 to each load interface 25 of the number of load interfaces 25 and thus an interface between the at least two different topology levels (TE1, TE2 ).
  • the matrix coupler 80 is also set up, one
  • Graphs representing nodes of a line-plug relationship of the matrix coupler 80 each denote a load interface 25 of the number of load interfaces 25 at the end of a line and an edge of the graph denotes a connection relationship at least one line between a first load interface 25 and a second load interface 25, the graph comprising at least two partial graphs with at least two partitions (TE1-MK, TE2-MK).
  • a node of each graph lies on the matrix coupler 80.
  • the interface module 22 is set up to provide electrical protection for the number of load interfaces 25 to the on-board electrical system participants 3, 4, 5.
  • Vehicle electrical system participants 3, 4, 5 have at least a first communication line segment 102, and a first power supply line segment 103 for each line set segment 100, with a first end of the first communication line segment 102 and the first power supply line segment 103 at a first end of the at least one line set segment 100 in a first interface are bundled.
  • FIG. 12 shows a partial on-board electrical system with matrix coupler 113, control devices 110, 111, 112 and sensors / actuators 114, 115, 116, 117, 118.
  • vehicle electrical system participants 114 can therefore , 115, 116, 117, 118 can be understood.
  • the wiring system structure is a star graph and therefore complies with the new approach.
  • control units continue to be of conventional design and, in accordance with a shift model, include the hardware level (hardware driver), the driver level (software driver for the hardware and for communication) and the application software level in which the operating strategy is abstracted depicted by the physical implementation of the function.
  • hardware driver hardware driver
  • driver level software driver for the hardware and for communication
  • application software level in which the operating strategy is abstracted depicted by the physical implementation of the function.
  • Figure 13 shows a new electrical system, i.e. Vehicle electrical system BN that meets the requirement to bundle and process information processing in high-performance computers
  • the interface module with matrix coupler thus also includes the hardware driver layer 120hs and software driver layer 120ts for the functions.
  • the Mosfet drivers 120ea of the functions now simultaneously take over the electronic protection of the lines.
  • FIG. 14 shows a flow chart of a manufacturing method for a vehicle electrical system of a vehicle.
  • the manufacturing method comprises a step S1 of providing, a step S2 of providing, a step S3 of feeding and a step S4 of coupling. Steps S3 of feeding and S4 of coupling are carried out repeatedly.
  • step S1 of the provision a plurality of on-board electrical system participants are provided in at least two topology levels TE1, TE2, which are to be distinguished spatially or functionally, an energy supply device, and at least one control unit.
  • step S2 of the provision an interface module for the vehicle electrical system is provided.
  • the interface module comprises a supply interface (22) for coupling to a positive pole of the energy supply device of the vehicle, one
  • Communication interface for receiving and / or sending information from a coupled or connectable control unit of the vehicle, a number of load interfaces, each with an on-board power supply unit of the plurality
  • On-board power supply participants are assigned at least one load interface to the number of load interfaces and at least one matrix coupler.
  • the matrix coupler is designed to couple the supply interface and the communication interface to each load interface of the number of load interfaces, and thus to represent an interface between the at least two topology levels (TE1, TE2) to be distinguished, the matrix coupler being set up is to present an unbundling task for a connection of the on-board electrical system subscribers, where nodes of a graph representing line-plug relationships of the matrix coupler each denote a load interface of the number of load interfaces at the end of a line, and wherein an edge of the graph represents a connection relationship denote at least one line between a first load interface and a second load interface, the graph comprising at least two partial graphs with at least two partitions (TE1-MK, TE2-MK), the eigenvector of a respective adjacency matrix of the two partitions ( TE1 - MK, TE 2-MK) is symmetrical to zero, and
  • step S3 of feeding a first line set segment, having at least a first communication line segment, and a first power supply line segment fed, wherein a first end of the first communication line segment and the first power supply line segment are bundled at a first end of the at least one line set segment in a first interface.
  • step S4 of coupling a second end opposite the first end becomes the first
  • Line set segment coupled to a first load interface of the number of load interfaces.
  • the steps of feeding S3 and coupling S4 for each load of the plurality of loads are made according to the number of load interfaces respectively
  • FIG. 15 shows a vehicle with a vehicle electrical system BN.
  • the vehicle electrical system BN comprises a plurality of vehicle electrical system subscribers 1 14, 1 15, 1 16, which are arranged in two topology levels TE_1, TE_2, which are to be distinguished spatially or functionally. Furthermore, the vehicle electrical system BN comprises an energy supply device 1 and a control device 15. All these components are coupled to one another via an interface module 22.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Small-Scale Networks (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

L'invention concerne un réseau de bord de véhicule comprenant une pluralité d'abonnés de réseau de bord (3-9) dans au moins deux plans de topologie (TE1, TE2), un dispositif d'alimentation en énergie (1), au moins un appareil de commande, au moins un module d'interface (22) pour le réseau de bord de véhicule, une interface de communication pour la réception et/ou l'envoi d'informations à partir d'un appareil de commande du véhicule, un certain nombre d'interfaces de charge (25), une interface de charge (25) étant associée respectivement à un abonné de réseau de bord (3-9), au moins un coupleur matriciel (80, 99), qui est conçu pour coupler l'interface d'alimentation (20) ainsi que l'interface de communication respectivement à chaque interface de charge (25) et représenter ainsi une interface entre les plans de topologie (TE1, TE2). Le coupleur matriciel (80, 99) est conçu pour représenter une tâche de dissociation pour une combinaison des abonnés de réseau de bord (3-9).
EP19805174.0A 2018-12-06 2019-11-12 Procédé de fabrication pour un réseau de bord d'un véhicule ainsi que réseau de bord de véhicule Active EP3891021B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018131199.0A DE102018131199B4 (de) 2018-12-06 2018-12-06 Herstellungsverfahren für ein fahrzeugbordnetz eines fahrzeugs sowie fahrzeugbordnetz
PCT/EP2019/080914 WO2020114726A1 (fr) 2018-12-06 2019-11-12 Procédé de fabrication pour un réseau de bord d'un véhicule ainsi que réseau de bord de véhicule

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EP3891021A1 true EP3891021A1 (fr) 2021-10-13
EP3891021B1 EP3891021B1 (fr) 2023-01-11

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US (1) US11904782B2 (fr)
EP (1) EP3891021B1 (fr)
CN (1) CN113260537B (fr)
DE (1) DE102018131199B4 (fr)
WO (1) WO2020114726A1 (fr)

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EP3891021B1 (fr) 2023-01-11
US20220118924A1 (en) 2022-04-21
DE102018131199A1 (de) 2020-06-10
US11904782B2 (en) 2024-02-20
WO2020114726A1 (fr) 2020-06-11
CN113260537B (zh) 2023-12-05
CN113260537A (zh) 2021-08-13
DE102018131199B4 (de) 2021-05-06

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